.content {
    padding-top: 10px;
}

.book_row {
    display: flex;
    -webkit-display: flex;
    justify-content: flex-start;
    -webkit-justify-content: space-around;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
}

.content .info_box {
    width: 170px;
    height: 138px;
    background-position: center;
    background-size: cover;
    position: relative;
    margin-bottom: 10px;
    border-radius: 5px;
}

@media screen and (max-width: 360px) {
    .content .info_box {
        width: 150px;
        height: 110px;
    }
}

.content .info_box .bg {
    background-color: rgba(59, 59, 59, 0.4);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 5px;
}

.content .info_box .name {
    color: white;
    font-size: 18px;
    position: absolute;
    top: 10px;
    left: 10px;
}

.content .info_box .number {
    color: white;
    font-size: 14px;
    position: absolute;
    top: 35px;
    left: 10px;
}